<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>账单list</title>
    <meta name="viewport" content="width=device-width">
    <meta name="Author" content="bankeys-ZBH"/>
    <meta name="Copyright" content="bankeys "/>
    <meta name="description" content="老板记账"/>

    <script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>
    <link rel="stylesheet" href="hook.css" type="text/css"/>
    <script src="hook.js" type="text/javascript"></script>

    <style type="text/css">
        #slideDown {
            margin-top: 0;
            width: 100%;
        }

        #slideDown1, #slideDown2 {
            width: 100%;
            height: 70px;;
            background: #e9f4f7;
            display: none;
        }

        #slideDown1 {
            height: 20px;
        }

        #slideDown1 > p, #slideDown2 > p {
            margin: 20px auto;
            text-align: center;
            font-size: 14px;
            color: #37bbf5;
        }
    </style>
</head>
<body>
<!--<div id="hook">
    <div id="loader">
        <div class="spinner"></div>
    </div>
    <span id="hook-text">Reloading...</span>
</div>-->


<div id="content">
    <div id="slideDown">
        <div id="slideDown1">
            <p>松开刷新</p>
        </div>
        <div id="slideDown2">
            <p>正在刷新 ...</p>
        </div>
    </div>
    <div class="myContent">
        <ul>
            <li>item1 -- item1 -- item1</li>
            <li>item2 -- item2 -- item2</li>
            <li>item3 -- item3 -- item3</li>
            <li>item4 -- item4 -- item4</li>
            <li>item5 -- item5 -- item5</li>
            <li>item6 -- item6 -- item6</li>
            <li>item7 -- item7 -- item7</li>
        </ul>
    </div>
</div>
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="mousewheel.js"></script>
<script src="hook.min.js"></script>
<script type="text/javascript">
</script>

<script type="text/javascript">
    //第一步：下拉过程
    function slideDownStep1(dist) {  // dist 下滑的距离，用以拉长背景模拟拉伸效果
        var slideDown1 = document.getElementById("slideDown1"),
                slideDown2 = document.getElementById("slideDown2");
        slideDown2.style.display = "none";
        slideDown1.style.display = "block";
        slideDown1.style.height = (parseInt("20px") - dist) + "px";
    }
    //第二步：下拉，然后松开，
    function slideDownStep2() {
        var slideDown1 = document.getElementById("slideDown1"),
                slideDown2 = document.getElementById("slideDown2");
        slideDown1.style.display = "none";
        slideDown1.style.height = "20px";
        slideDown2.style.display = "block";
        //刷新数据
        //location.reload();
    }
    //第三步：刷新完成，回归之前状态
    function slideDownStep3() {
        var slideDown1 = document.getElementById("slideDown1"),
                slideDown2 = document.getElementById("slideDown2");
        slideDown1.style.display = "none";
        slideDown2.style.display = "none";
    }

    //下滑刷新调用
    k_touch("content", "y");
    //contentId表示对其进行事件绑定，way==>x表示水平方向的操作，y表示竖直方向的操作
    function k_touch(contentId, way) {
        var _start = 0,
                _end = 0,
                _content = document.getElementById(contentId);
        _content.addEventListener("touchstart", touchStart, false);
        _content.addEventListener("touchmove", touchMove, false);
        _content.addEventListener("touchend", touchEnd, false);
        function touchStart(event) {
            //var touch = event.touches[0]; //这种获取也可以，但已不推荐使用

            var touch = event.targetTouches[0];
            if (way == "x") {
                _start = touch.pageX;
            } else {
                _start = touch.pageY;
            }
        }

        function touchMove(event) {
            var touch = event.targetTouches[0];
            if (way == "x") {
                _end = (_start - touch.pageX);
            } else {
                _end = (_start - touch.pageY);
                //下滑才执行操作
                if (_end < 0) {
                    slideDownStep1(_end);
                }
            }

        }

        function touchEnd(event) {
            if (_end > 0) {
                console.log("左滑或上滑  " + _end);
            } else {
                console.log("右滑或下滑" + _end);
                slideDownStep2();
                //刷新成功则
                //模拟刷新成功进入第三步
                setTimeout(function () {
                    slideDownStep3();
                }, 2500);
            }
        }
    }
</script>
</body>
</html>